OSI reported its fiscal 2025 second-quarter results Thursday morning, posting record revenues of $419.8 million, up 12% year over year and well ahead of the $406.6 million Wall Street analysts had predicted. Similarly, OSI's earnings were $2.42 per share, more than the Street's $2.33 consensus estimate.

Momentum investing is all about the idea of following a stock's recent trend, which can be in either direction. In the 'long' context, investors will essentially be "buying high, but hoping to sell even higher.