By Barbara Kollmeyer, MarketWatch

MADRID (MarketWatch) -- U.S. stock futures pointed to gains at the start of trading on Thursday, boosted by news of more stimulus out of China, as investors awaited an update on housing starts and weekly jobless claims.

Coming from a flat position ahead of that stimulus news, futures for the Dow Jones Industrial Average rose 51 points, or 0.3%, to 17,122, while those for the S&P 500 index (SPZ4) added 7 points to 2,000.70. Futures for the Nasdaq-100 index (NDZ4) ticked up 11.75 points to 4,077.50.

China's central bank cut short-term borrowing costs for banks on Thursday, in the same week it announced an injection of cash into the country's five biggest banks. For markets, this is a "massive statement of intent," said Craig Erlam, market analyst at Alpari, in emailed comments. A string of weak data out of China has heightened concerns about that global growth engine.

"We know this has worked in the past, so there is no reason to believe it won't work again, and the markets love it," Erlam said.

Federal Reserve Chairwoman Janet Yellen will speak on asset building for low- and middle-income households via prerecorded video at 8:45 a.m. Eastern Time.

In the U.S., economists expect the pace of home construction to pull back in August from July, which had the highest reading since late 2013. Those numbers are due at 8:30 a.m. Eastern Time, along with weekly jobless claims, which are expected to dip from the previous week.

At 10 a.m. Eastern Time, the Federal Reserve Bank of Philadelphia will publish its September monthly reading on regional manufacturers, which is expected to weaken from August.

The Dow industrials (DJI) notched a record high on Wednesday, though stocks flattened by the end of the session. The Federal Open Market Committee stuck to its view that it will keep short-term interest rates near zero for a "considerable time" after the central bank stops its big-scale purchases of bonds. Read: Fed will be quick about raising rates, once it starts

Credit Suisse on Wednesday became the latest Wall Street bank to lift its S&P 500 forecasts for year-end, but also predicted a correction for next year.

Stocks to watch: United Natural Foods Inc. (UNFI) could gain after a late-session rise on earnings and an outlook that topped Wall Street's forecast. See After Hours roundup

Pier 1 Imports Inc. (PIR) could add to a 10% late-session drop, after earnings fell short of hopes and the company cut its forecast for the year.

Flexion Therapeutics Inc. (FLXN) fell 27% late Wednesday after the Food and Drug Administration placed a hold on a mid-stage clinical trial on the company's treatment for osteoarthritis of the knee.

Other markets: Stocks in London rose as Scottish voters headed to the polls, with indications still pointing to a narrow victory for those wishing to stay in the union. U.K retail sales rose at a faster pace in August, but were driven by gasoline prices, suggesting inflationary pressures remain weak and putting less pressure on the Bank of England to hike rates.

Stock futures and European stocks rose across the board after news of a second surprise move this week to ease monetary policy by China's central bank, which cut short-term borrowing costs for banks on Thursday. Japanese stocks climbed to an eight-month closing high, as the yen(USDJPY) hit a six-year low against the greenback, aiding export-related stocks.

The euro (EURUSD) held steady after the European Central Bank allotted 82.6 billion euros in the first round of its new four-year loans. Forecasters were expecting a higher take-up. Gold prices (GCZ4) fell 1%, pressured by a strong dollar.

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