Technology does not move stocks. Earnings move stocks. Don't buy a stock for a month, or a quarter, after the company preannounces bad results. Don't write covered calls. Don't write naked puts.
Splits create shareholder value.
Hope is for sports fans, not for investors. Remember that anyone who gives news about a security may have a position, short or long. When you miss a big move, look for sound stocks that sellers haven't finished selling off. Just because a stock is down doesn't make it cheap. Comparable-store sales are critical numbers for retailers.