Stocks To Watch For September 13, 2012

Some of the stocks that may grab investor focus today are: Wall Street expects Pier 1 Imports PIR to report its Q2 earnings at $0.19 per share on revenue of $368 million. Pier 1 shares gained 1.28% to $19.80 in after-hours trading. Apple AAPL introduced iPhone 5 at an event in San Francisco. Apple shares gained 0.21% to $671.20 in the after-hours trading session. K12 LRN reported a better-than-expected fourth-quarter profit. K12 shares jumped 12.02% to $23.95 in after-hours trading. W.W. Grainger GWW is expected to report August sales results. W.W. Grainger shares rose 1.53% to close at $206.78 yesterday. Pluristem Therapeutics PSTI intends to offer shares of common stock and warrants to buy shares of its common stock. Pluristem Therapeutics shares tumbled 8.81% to $4.14 in the after-hours trading session.