Choose all that are appropriate statements regarding the effects of signaling in the stock market. 1. The announcement of increased profits cause an increase in the stock price. 2. The stock price of a firm reporting earnings that are only a few cents below their previous estimates often go down by substantial amounts. 3. The announcement of share buyback leads to an increase in the share price. 4. The announcement of a tender offer causes an increase in the stock price of the target company. 5. The issue of equity often cause a company's stock price to decrease