41. The broker sets an additional margin requirement of 20 pence per share, so ?0 for the total position. 42. The leveraged arbitrageurs then face margin calls and are forced to sell assets to meet their respective margin requirements . 43. Losses in equity markets, in turn, spurred growing concern that some banks might have problems meeting margin requirements . 44. Lewis pleaded guilty to three counts of stock manipulation, violating margin requirements , and keeping false books and records. 45. And he had a solution : " We do have the possibility of . . . increasing margin requirements . 46. It could also happen when the margin requirement is raised, either due to increased volatility or due to legislation. 47. The SEC has proposed instead a loosening of margin requirements for debt securities that have been issued 30 days or more. 48. Any change in margin requirements would make it more expensive for individuals seeking to speculate in these issues from doing so. 49. Yet he never did increase margin requirements , that is, require investors to put up more cash when buying stocks. 50. NYMEX treats crack spread purchases or sales of multiple futures as a single trade for the purposes of establishing margin requirements .
