1.1 Homework. Unanswered Explain which forms of market efficiency are violated in the following cases Drag and drop options on the right-hand side and submit. For keyboard navigation... SHOW MORE It is known that the stock price of Google will move up by more than the risk free rate (for sure) = Strong-form efficient. if the market went up the day before If the temperature is more than 80 degrees in Los Angeles the S&P 500 index will drop by at least 4% = Semi-strong form efficiency. the next day. A principal at an accounting firm knows that its client will have to declare bankruptcy which will impact the stock price once an announcement is Weak-form efficiency made. He tells his nephew who short sells the stock and makes money on the trade