Rigetti Computing Stock Plunged 42% Last Month. Here's Why.

Rigetti's November plunge erased October's gains and then some. Is the quantum computing stock a buy in this sudden dip?Shares of quantum computing expert Rigetti Computing (RGTI +9.04%) fell 42.2% in November 2025, according to data from S&P Global Market Intelligence. The bearish timeline included a disappointing earnings report, which erased October's 48.6% gain and then some. Rigetti's stock lost 14.2% of its value across the two-month span from Sept. 30 to Nov. 29.Rigetti's Q3 report -- a quantum leap ...