The Dow Jones industrial average rose 992.49 points to a record 5,608,46. Trading was heavier today, totaling 485.45 million shares as compared with 430.23 million in the previous session. The NYSE composite index rose 5.19 to 350.85, and the Standard & Poor's 500-stock index rose 10.76 to 658.86. The Nasdaq composite index rose 19.55 to a record 1,116.40, and the AMEX market value index rose 5.06 to 570.16. In London gold closed at $400.75 up $3.50.