Check out the companies making headlines after the bell Wednesday:
Keurig Green Mountain rallied as much as 20 percent after posting higher-than-expected earnings. But the maker of K-Cup single-serve beverage pods reported a 13 percent fall in quarterly sales as a strong dollar weighed on sales of its brewing machines.
Shares of Allergan fell after the U.S. Treasury said more action was needed to deter corporate tax inversions. Last month, reports surfaced that the Botox-maker was it talks with pharmaceutical giant Pfizer regarding a possible merger. Allergan is based in Ireland, which has a lower tax rate than the U.S. Shares of Pfizer were also slightly lower.
Salesforce.com shares rose on earnings that beat analysts' forecasts. The customer-relationship management company reported a 23.7 percent jump in quarterly revenue, driven by higher demand for its Web-based sales and marketing software.