(Updates prices throughout)
* Gold breaks through $1,310 barrier
* European stocks inch higher on defensive plays
* Investors wary about growth after Caterpillar, Nvidia results
* Markets eye U.S.-China trade talks, Fed policy meeting
* Sterling waits for signals ahead of Brexit votes
* Oil higher after U.S. imposes Venezuela sanctions
By Marc Jones
LONDON, Jan 29 (Reuters) - Gold climbed to a seven-month high on Tuesday and stocks were back on the up too, as investors dug in for three days of political and economic drama and a blizzard of big tech earnings, starting with Apple later.
The main European and Asian markets held up well ahead of potentially galvanising events including a key Brexit vote on Tuesday, Wednesday's U.S. Federal Reserve decision and Thursday's conclusion of the latest Sino-U.S. trade talks. [.EU
London's FTSE rose 1.3 percent and Frankfurt and Paris both made ground, driven by utilities, healthcare, miners and other defensive stocks.
Wall Street futures were also higher after series of profit alerts, including from digger maker Caterpillar, and U.S. charges against China's telecom giant Huawei, sparked one of the S&P 500's worst days of the year on Monday.
For Asia, the blow had been cushioned by promises of more Chinese stimulus but Beijing had also berated Washington for blocking tactics in its World Trade Organisation appeal against U.S. tariffs.
Amid the turmoil, safe-haven gold broke through $1,310 an ounce to reach its highest since May last year.
"Investors are very cautious, with many uncertainties on U.S.-China trade talks and Brexit. Huawei is at the centre of the dispute, creating a very noisy background for the trade talks," said Margaret Yang, a market analyst at CMC Markets.
"All these are making it more difficult for investors to judge the market's direction. Money is fleeing into assets such as gold, seeking safety."
The Sino-U.S. moves, as well as bets that the Fed will sound more cautious on Wednesday, saw the dollar set a new two-week low and heightened the safe-haven appeal of the Japanese yen and the Swiss franc.
It lifted the euro too, while sterling held steady at $1.3166 and 86.88 pence to the euro before crucial parliamentary votes later aimed at breaking a deadlock over the manner of Britain's exit from the European Union on March 29. ]
There were plenty of pre-vote twists. Prime Minister Theresa May told her senior ministers that in order to win parliament's support for her Brexit deal, the agreement she negotiated with Brussels would have to be reopened.
"The prime minister said that in order to win the support of the House of Commons legal changes to the backstop will be required, that would mean reopening the Withdrawal Agreement (with the EU)," May's spokesman told reporters.
The main opposition Labour Party meanwhile said it was telling its lawmakers to vote for a plan that could give parliament the power to delay Brexit.
Initial U.S. calls in a bumper day of results showed Xerox rising 5.8 percent in premarket trading after beating profit estimates, while Pfizer fell 1.7 percent and Harley-Davidson Inc plunged about 8 percent.
Apple, which has already issued a profit warning this month due to weak demand from China, is due to report after the bell too.
Most European government bond yields were little changed. Weaker economic data and unknowns like the trade feuds and Brexit have all boosted expectations that interest rates will stay low.
New debt deals from Greece, Belgium and Austria were also coming through. The slide in rates has also encouraged governments to launch new bond deals. Even Angola, which has just taken IMF aid, said it was eyeing a bond sale.
Asia had been more mixed, with losses for Australia and New Zealand stocks but Japanese and Chinese stocks both turned around early falls to finish higher.
Markets will have plenty more catalysts this week with over 100 of the S&P500 companies reporting results, including other top tech firms such as Amazon, Microsoft and Facebook.
Overnight on Wall Street, the Dow and S&P 500 each closed down 0.8 percent and the Nasdaq was off more than 1 percent.
The losses came after Caterpillar and Nvidia Corp joined a growing list of companies cautioning about the crippling effects of softening Chinese demand.
"Both companies are seen as industry bellwethers, and their disappointing results provide further evidence that this time China's slowdown is for real," said Rodrigo Catril, Sydney-based strategist at National Australia Bank.
Worryingly, earnings at China's industrial firms too shrank in December, pointing to more troubles for the country's vast manufacturing sector, already struggling with a decline in orders, job layoffs and factory closures.
Oil recovered after overnight losses. U.S. crude was last up 45 cents at $52.44 a barrel, while Brent gained 68 cents to $60.61.
Washington imposed sanctions on Venezuelan state-owned oil company PDVSA on Monday, a step that is likely to curb its crude exports to the U.S. and ratchet up the pressure on President Nicolas Maduro.
Reporting by Marc Jones; Editing by Catherine Evans