Shares of Career Education Corp. slumped to $17.75. Bank of America downgraded the Hoffman Estates-based postsecondary-education provider to “sell” from “neutral.”
Humana Inc. stock had the biggest percentage gain in the Standard & Poor’s 500, jumping to $48.06. The health-care giant was added to Goldman Sachs’ “conviction buy” list.
Stock of Micron Technology Inc. had the biggest percentage decline in the S&P 500, sinking to $8.21. Lazard Capital Markets said the chipmaker may spend $1 billion to expand capacity, reducing cash reserves.
United Natural Foods Inc. shares had their biggest percentage gain in seven years, climbing to $20.41. The natural-foods supplier reported profits that far surpassed analyst estimates.
Stock of Smith & Wesson Holding Corp. dropped to $5.64. The gunmaker said it would sell 6.25 million shares for $5.50 each to repay debt.
Alcoa Inc. shares fell to $43.23. A Morgan Stanley analyst said weakening demand from China could result in “soft” metals prices, hurting the aluminum giant.
Sealed Air Corp. shares dropped to $23.96. The maker of Bubble Wrap was downgraded to “sell” by Merrill Lynch.
-$1.01 5.4% $3.31 7.4% -$0.55 6.3% $2.14 11.7% -$0.53 8.6% -$1.36 3.1% -$1.11 4.4%



