BRIEF-Qatar Electricity and Water says unit to acquire BTU Power's stake in three companies
* Unit Nebras Power to acquire BTU Power's stake in Asia Gulf Power, Asia Gulf Power Service and BTU Rades for $93 million
Sept 29 Unilife Corp
* Will not be able to file audited financial statements with Australian Securities Exchange by ASX deadline - SEC filing
* Says Nasdaq informed company that at this time it does not intend to halt trading of company's common stock on Nasdaq Source text for Eikon: Further company coverage:
* Advent won't withdraw offer after deadline-sources (Adds sources on Advent bid)
BEIJING, Feb 26 China will focus on stable development of its capital markets this year, but will press ahead to further open its markets to foreign companies, the top securities regulator said on Sunday.