Jim Cramer says investors should avoid buying stocks near their highs after the market's recent rally

Group 1 - Investors should be selective and avoid buying stocks near their highs, as this often leads to losses [1] - The Dow Jones Industrial Average experienced a decline of 466 points, or 0.94% [1] - Caution is advised against late-cycle enthusiasm in oil stocks, particularly if Venezuela increases production, which could pressure crude prices [2] Group 2 - JPMorgan Chase is considered cheap at approximately 16 times earnings, but CEO Jamie Dimon's risk emphasis may temporarily affect the stock [3] - CrowdStrike has seen a significant drop of nearly 100 points from its November highs before rebounding, with geopolitical instability increasing demand for its services [3] - Nvidia's CEO praised CrowdStrike as a core cybersecurity provider in the context of a $10 trillion AI-driven enterprise transformation [4] Group 3 - Confidence remains in Microsoft despite a sharp pullback due to heavy AI spending, along with longstanding favorites Nvidia and Broadcom [4] - Investors are encouraged to own some undervalued tech stocks while also considering quality consumer stocks [4]