Answer which form of the emh is most relevant for trading strategies in each part (weak, semi-strong, and strong). briefly explain why. (a) jane is a close friend of the ceo of hewlett-packard, and she trades stocks of hewlett-packard when she hears confidential news about the company from the friend (note that this is illegal in the us). (b) tom buys ibm stocks when yesterday’s return on coca-cola stocks is higher than the 3-month t-bill rate, and vice versa. (c) mike buys stocks at the nyse whenever each stock’s earnings announcement is better than he expects, and he sells them 90 days later.

Which of the following is likely not a benefit of requiring a grand jury to listen to and examine all of the evidence against a person suspected of committing a serious crime and then independently deciding whether or not to hand down an indictment? 1.the grand jury system provides the accused another safeguard against being sent to trial and facing conviction based on flawed evidence. 2.the members of the grand jury are drawn from the community and are empowered to render independent decisions about whether or not the government has collected enough evidence to bring an individual to trial. 3.the grand jury’s decision can provide prosecutors insight into what is necessary to build a sufficient case if a similar crime is presented later. 4.the grand jury is impaneled to rubber-stamp prosecutors’ cases, which makes it possible for more cases to reach trial.