NEW YORK (TheStreet) -- Stocks soared on Thursday, with the S&P 500 climbing 1% and the Nasdaq making new all-time highs.
The Federal Reserve's statement Wednesday basically gave the "all clear" to buy stocks, Guy Adami, managing director of stockmonster.com, said on CNBC's "Fast Money" TV show. He pointed out the continued strength in cyber security stocks Palo Alto Networks (PANW - Get Report) and Proofpoint (PFPT - Get Report).
Despite the big gains so far this year, Steve Grasso, director of institutional sales at Stuart Frankel, said investors should stick with stocks like Palo Alto Networks and FireEye (FEYE - Get Report). These companies will benefit from increased cyber security spending from corporations and the government.
Grasso also pointed to the U.S. dollar, saying the greenback needs to go lower in order for the S&P 500 to continue higher. Until the S&P can break out to new highs, he's bearish with the index sitting near multi-month resistance.
There was also "very, very good" economic data on Thursday, helping drive the market, according to Tim Seymour, managing partner of Triogem Asset Management. He likes railroad stocks CSX Corp. (CSX - Get Report) and Kansas City Southern (KSU - Get Report). He also likes high quality tech stocks including Intel (INTC - Get Report) and Cisco Systems (CSCO - Get Report).
Speaking of the dollar a Greek exit from the EU could cause the dollar to weaken because it will likely drive up the value of the euro, Kelly said. He said this would be bullish for U.S. stocks.
Seymour said investors should use the recent strength in the euro to get short the currency. He's buying the ProShares UltraShort Euro ETF (EUO - Get Report). He's also a buyer of the iShares Currency Hedged MSCI Germany ETF (HEWG - Get Report).
Where's Apple (AAPL - Get Report)? The tech titan seemed to be in the dark for most of the day, posting a gain of just 0.4%. "I don't think anything is wrong with it," Adami said, noting that Apple tends to underperform on days where the broader market posts a large rally.
He added, "I think you absolutely stay long this name" and look for an eventual move to $155.
Seymour agreed, adding he is long the stock and likes it for four main reasons: low valuation, growth in China, continued strength in the iPhone refresh cycle and a generous capital return plan.
The stock is trading well this year, despite the recent sideways action, Grasso said, pointing out that Apple is still up 15% on the year. Google (GOOGL - Get Report), on the other hand, seems "really troubled" and he recommended investors stick with Apple over the search giant.
Shares of Apple seems more likely to do better in the second half of the year, Kelly said. But with the stock near $127, "you're safe," he said.