While traders chased tech hype, Waste Management quietly beat the S&P 500 — proving that steady cash flow and essential infrastructure can still win in noisy markets.

This was the stock's second consecutive day of losses.

What? Casella Waste Systems (NASDAQ: CWST) watched as its shares sank 11.7% last month. At first blush that sounds ominous, especially since the shares of larger competitors Waste Management (NYSE: WM ...