show that a greater reliance on foreign market sales increases the conditional volatility of firms' stock returns. The two … economically significant effect on firm-level volatility, although an increase in the intensity of sales through foreign affiliates … has a stronger effect on volatility than a similar change in firms' export intensity. We also uncover evidence consistent …

exert a large and persistent effect on the volatility of stock returns of acquirers and that this response is crucially … - engender a positive response in acquirers' volatility. Our results suggest that acquisitions affect uncertainty because they …