The Vickers Top Buyers & Sellers is a daily report that identifies the five companies the largest insider purchase transactions based on the dollar value of the transactions as well as the five companies the largest insider sales transactions based on the dollar value of the transactions.

Small- and mid-cap stocks (SMID), despite bursts of outperformance, have underperformed large-caps year to date - as they have over the past five years. But they may be in a better position to generate market-beating returns going forward. SMID companies tend to focus on domestic markets, so their businesses could be less disrupted by the fallout from unrest in the Middle East, the Russian invasion of Ukraine, issues in China, or other geopolitical developments. As well, the prices of SMID stocks generally are lower than the prices of large-caps. SMID stocks can be risky, but despite those risks, diversified investors look to have exposure to small- and mid-caps based on the long-term performance record. We estimate that 20% of the U.S. stock market's capitalization is comprised of SMID stocks.

Twilio provides a cloud-based communications platform that enables businesses to embed messaging, voice, video, and authentication capabilities directly into their software applications. The company's platform allows developers to build and manage applications without the complexity of creating and maintaining underlying infrastructure. The company completed its initial public offering in June 2016.

U.S. stocks are up, at midday. The mood feels optimistic with some caution sprinkled in as Wall Street hasn't forgotten the drubbing two days ago. Today's start was helped again by Japan's Nikkei, which rose 1% overnight after the dramatic fall a few nights ago. A Bank of Japan official commented that the central bank wouldn't raise rates further given the market volatility. Earnings reports continue to drive movement in individual U.S. stocks.