There could be a "big air pocket" in stocks if fundamentals don't validate valuations, Mohamed El-Erian tells CNBC.
There's an increasing probability of a financial "accident" involving debt-strapped Greece, Mohamed El-Erian tells CNBC.
Charter Communications says it will buy Time Warner Cable in a cash-and-stock deal worth $55 billion.
Market watchers are expecting Greece to reach a deal with its international creditors by the June deadline, strategists say.
Get the best of CNBC in your inbox