How is Short term investment different from Long term bet?

Significance of short term investment is undeniable in the investment success. We have some members likeMr R M S CHALLA,Mr PARIN GALA etc who excel in short term bets beside being ace long term investor.I will request for members opinion on this topic. How is short term is different from long term investments? What to look for among various parameters for short term investments? Role of charts which is reflection of price action and investors participation(volume)? When to book profits? What make them IDEAL CANIDATE FOR SHORT TERM OR LONG TERM ? I HOPE ALL MEMBERS WILL SHARE THEIR OPINION BORN OF THEIR OWN EXPERIENCES