Click chart to check Micron Technology's stock.
NEW YORK (CNNMoney) -- StockTwits was all about technology and drug stocks Friday, with tweets paying particular attention to Micron Technology, Oracle, and Pain Therapeutics.
Micron's (MU, Fortune 500) third-quarter sales and profit came in below analysts estimates, sending shares 13% lower Friday. The chip maker's stocks was the worst performer on the S&P 500 (SPX) and Nasdaq Composite (COMP).
Oracle's (ORCL, Fortune 500) quarterly results also disappointed investors. While the company's overall profit and revenues rose and beat expecations, Oracle's hardware sales fell 6% - far short of what the company had predicted.
Drug companies were also a hot topic.
The Food and Drug Administration rejected an application from Pfizer (PFE, Fortune 500) and Pain Therapeutics (PTIE) for Remoxy, a pain medication that is designed to reduce abuse using Durect Corp.'s (DRRX) technology.
All of that is giving StockTwits users plenty to tweet about:
BlackRaven999: Blew out of $MU after the open, glad I'm not an elephant in it.
MatthewBrenner: $ORCL $MU down on heavy losses, meanwhile $GOOG looks to be the next Ma Bell -or- Microsoft (MSFT, Fortune 500) as the Gov't sends out its anti-trust feelers.
BetaGauge: $ORCL earnings strong- being punished for not blowing everyones socks off- twhere are the value investors?
biotechtraderHB: $PTIE $PFE: until IR comes out and explains the CRL we are not going to get an idea where the shares should trade... #morons
JNapodano: Poor $PTIE and $DRRX. They've been trying forever with Remoxy. I'd buy $DRRX on the dip though, p3 Posidur data expected in the Q4.
adamfeuerstein: $PFE didn't disclose the reasons for FDA rejecting Remoxy. $PTIE $DRRX. 
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