Only in low liquidity. That's why TA favors the trader. Traders usually play high liquidity plays and swing trade. That's why volume is very imporant in these plays. Liquidity is only a problem tho with penny stocks not blue chip stocks you can't paint whatever you want in a blue chip play...
/caerus/
Such is the nature of men, that howsoever they may acknowledge many others to be more witty, or more eloquent, or more learned; yet they will hardly believe there be many so wise as themselves