Revolution Medicines, Inc. (RVMD) fell 17.11 percent, or $20.14, to$97.54 in active trading, despite no company-specific news driving the move. The sharp decline appears to reflect broad selling pressure following recent gains in the stock.Shares opened significantly lower at $93.46, compared with a previous close of$117.68. The stock traded in a wide range between $92.50 and$99.51 during the session on the Nasdaq. Trading volume surged to about 7.79 million shares, well above the average volume of roug ...