# Biotech stocks
Cassava Sciences Is Stock Worth Buying With a High Expected Return
Nassim Taleb, the philosopher/mathematician came up with the Black Swan theory right before the 2009 stock market crash. He made a lot of money predicting stock market crashes since then.
Mark HakeMark Hake is a financial analyst, investor, and Chartered Financial Analyst (CFA). He writes about US and foreign stocks as well as cryptos, hedge funds, and private equity. He previously ran his own hedge fund, investment research firm, and acted as CFO for a fintech startup. He focuses on finding value, arbitrage, and hidden asset opportunities.