Investing.com -- U.S. stocks inched up on Tuesday reversing territory late in the session, even as lingering concerns of a slowdown in the Chinese economy and increased fears of a Greek departure from the euro zone weighed on the major indices.
The Dow Jones Industrial Average gained 93.33 or 0.53% to 17,776.91 in spite of losses from Apple Inc (NASDAQ:AAPL), while the NASDAQ Composite index rose 5.52 or 0.11% to 4,997.46 despite a sharp decline in semiconductor stocks.
The S&P 500, meanwhile, added 12.58 or 0.61% to 2,081.34, as nine of 10 sectors closed in the green. At one point, the S&P 500 dropped below a key technical level and fell into negative territory for the year, before it rallied in afternoon trading. Stocks in the Utilities, Consumer Goods and Energy sectors led, each gaining at least 1% on the session.
On the Dow, the Coca-Cola Company (NYSE:KO) ended the session as its top performer after gaining 0.83 or 2.11% to 40.25. The slight gains came as the Atlanta-based global beverage giant announced plans to add more jobs at its independent bottling plant over the next several months. The worst performer was UnitedHealth Group Incorporated (NYSE:UNH), which fell 1.91 or 1.56% to 120.25, amid the continuing fallout from last week's merger between Aetna Inc (NYSE:AET) and Humana Inc (NYSE:HUM).
The biggest gainer on the NASDAQ was Wynn Resorts Limited (NASDAQ:WYNN), which soared 7.09 or 6.83% to 110.97. Shares in Wynn are up roughly 18% over the last week, following unexpected revenue gains from its fledging Chinese resort in Macau over the last quarter. The worst performer was Tesla Motors Inc (NASDAQ:TSLA), which dipped 12.32 or 4.40% to 267.40, after receiving a downgrade from Deutsche Bank (XETRA:DBKGn) from a buy to a hold.
The top performer on the S&P 500 was Chesapeake Energy Corporation (NYSE:CHK), which gained 1.34 or 12.86% to 11.76 after crude rallied moderately in U.S. afternoon trading. The worst performer was Newmont Mining Corporation (NYSE:NEM), which dove 1.27 or 5.32% to 22.59 after gold futures fell to a three-month low during Tuesday's session.
Shares in Advanced Micro Devices Inc (NASDAQ:AMD) fell approximately 15% after the California-based chipmaker downgraded its revenue outlook for the current quarter on Monday after the bell. Shake Shack Inc (NYSE:SHAK) shares, meanwhile, dropped more than 7.5% after Morgan Stanley (NYSE:MS) lowered its rating for the upscale hamburger joint.
On the New York Stock Exchange, advancing issues outnumbered declining ones by a 1,849 to 1,325 margin.