Retail giant Best Buy Co Inc (NYSE:BBY) will announce its second-quarter earnings report before the open Thursday, Aug. 29. The stock has a fairly strong post-earnings history over the last two years, finishing six of its last eight next-day sessions higher, including a 13.4% pop this past May. This time around, Wall Street expects earnings of $1.15 per share on revenue of$9.23 billion, which are both lower than the company's same quarter a year ago. In regard to the shares, the options pits are pricing in ...