VENTURE CAPITAL POST

U.S. stocks ended weaker on Wednesday after U.S. Federal Reserve Chair Janet Yellen warned of high valuations, adding to anxiety about future interest rates and a global bond rout.

Wall Street ended higher on Monday as corporate earnings came in better than feared, although shares of McDonald's declined after the fast-food chain's turnaround plan left investors wanting more.

U.S. shares rebounded sharply on Friday on gains in healthcare and technology stocks, while the dollar rose from nine-week lows on signs that the U.S. economy may be stabilizing.

Stock markets worldwide posted a second straight session of losses on Thursday after more weak earnings reports, with all three major U.S. indexes plunging more than 1 percent.

U.S. stocks ended lower on Wednesday as the Federal Reserve cited weakness in the U.S. economy and data showed U.S. growth slowed more sharply than expected in the first quarter.

The Nasdaq Composite and S&P 500 chalked up record high closes on Friday, propelled by strong results from tech behemoths Google, Amazon and Microsoft.

U.S. stocks ended stronger on Wednesday as Visa's potential expansion into China and talk of a turnaround at McDonald's helped investors look beyond a mixed bag of quarterly earnings.

Wall Street ended sharply higher on Monday after China moved to stimulate its slowing economy while investors bought up technology stocks on cautious optimism on upcoming earnings reports.

The Dow and S&P 500 ended higher on Tuesday, helped by energy stocks and quarterly earnings reports that topped modest expectations following worries about a strong dollar.

U.S. stocks dropped on Wednesday as a slump in technology and biotechs sent the Nasdaq to its biggest decline in nearly a year while the S&P 500 fell through key support levels.

U.S. stocks fell on Thursday as a stronger dollar weighed on oil and other commodity prices, sending energy and materials sectors lower.

U.S. stocks rallied on Monday as the U.S. dollar eased back from its recent peak and worries eased about the timing of a Federal Reserve interest rate hike.

U.S. stocks dropped on Tuesday, giving the S&P 500 its biggest decline in two months, on increasing views the Federal Reserve may raise rates as soon as June.

U.S. stocks bounced back on Monday, helped by merger and acquisitions activity, while Apple shares ended slightly higher following the long-anticipated rollout of its watch.

The Nasdaq on Monday closed above 5,000 for the first time since the year 2000 dot-com bubble as tech stocks were boosted by deals, while the S&P 500 and Dow indexes hit records after economic data pointed to a slowly accelerating economy.