The stock market gyrated widely today in high trading. The Dow Jones industrial average closed with a 9.25 point gain to 5358.76, based on preliminary figures. During the day, however, it plunged 167.2 points from yesterday's close after starting the day up 45 points.The S&P 500 was down 1.29 for the day to 628.51. The Nasdaq composite slipped 51 points earlier in the day, but closed down 6.7 to 1053.49.
Volume was unusually high at 682 million shares.
