Canadian yoga-wear retailer Lululemon Athletica ( LULU ) reports on Thursday. We can expect revenue growth, but investors should pay attention to how international growth and a weaker Canadian dollar affect the bottom line. On Friday, supermarket operator Kroger ( KR ) will need an impressive beat for a pop in its stock after management failed to raise its full-year earnings guidance last quarter, which suggested that further upside might be limited as the company cycles difficult comparisons. The Labor Department will also release producer price index ( PPI ) for final demand for August on Friday. Economists expect PPI to have declined 0.1%, after rising 0.2% in July. Separately, Barron's cover story said U.S. stocks could rally more than 10% by year-end and cited technology and financial stocks as the preferred sectors of Wall Street strategists. And for a couple stock picks, Barron's featured Franklin Resources ( BEN ) and AMC ( AMC ).