May 25 Tethys Petroleum Ltd
* Tethys Petroleum says requisition of extraordinary general meeting
* Says requisition proposes changes to composition of board of directors of company and certain other matters
* Says currently reviewing requisition and board will meet shortly to consider if it is valid Source text for Eikon: Further company coverage:
BRIEF-Toshiba chip chief: Western Digital's offer for chip unit has anti-monopoly issues, valuation not high
June 28 Toshiba Corp chip business chief Yasuo Naruke:
Nikkei down as techs underperform; financials boosted by higher US yields
TOKYO, June 28 Japanese stocks wobbled on Wednesday morning as tech shares were dragged down by falls in their U.S. counterparts overnight, while financials rallied on the back of rising U.S. yields.