Alajpur, it sounds like you tried to trade SIR rather than "investing" in SIR which are 2 totally different beasts. Most traders would suggest starting off small (i.e an amount you can afford to lose) and learning the art of trading, which may take up to a few years.
Read up on Jesse Livermore, even the greats lose cash in this game!
SIR Price at posting:
$2.55 Sentiment: None Disclosure: Not Held