THE REAL MOST ACTIVE Steel Drops On Concerns About China's Exports.(B)

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The S&P 500 dropped 0.5% Tuesday and the Dow industrials slipped 0.2%. Trading grew modestly.

Texas Instruments slid 1.03 to 26.34 in double average volume. Late Monday, the chipmaker lowered its first-quarter sales target and cut its earnings forecast to a range of 22 cents to 24 cents per share, down from its earlier range of 22 cents to 26 cents. The company blamed a glut of chips used in flat-screen and high-definition televisions.

Las Vegas Sands tumbled 2.45 to 47.35 in more than triple the usual trade. The casino operator reported its first quarterly earnings since going public in December. Including an accounting …