Don’t be surprised if the wild mood swings continue. In this kind of environment, investors should continue to favor the companies that benefit from policy goals that are unlikely to change.

Netflix shot up 14.6% after it reported adding nearly 19 million subscribers during the holiday-season quarter and it topped sales and profit targets. The video streaming service’s expansion into live programming appears to be paying off as it wrapped up its best year ever with more than $40 billion in revenue.