Time to sort through the Fast Money in-box and answer more of your questions.

Tom from Virginia

Tom writes, “Please tell me why the refiners are not doing better with the price of crude oil going up. I realize the crack spread and all, but how come the cost is not passed onto the consumer/oil companies?”

You can’t raise gas prices as fast as crude can go up, replies Jeff Macke.

Also oil can be a proxy for currency, adds Karen Finerman, and when that happens the supply and demand relationship gets dislocated.

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Trader disclosure: On Apr. 15, 2008, the following stocks and commodities mentioned or intended to be mentioned on CNBC’s Fast Money were owned by the Fast Money traders; Macke Owns (YHOO), (INTC), (MSFT); Finerman Owns (GS); Finerman's Firm And Finerman Own (HD); Finerman's Firm Owns (MO), (MSFT), (PM), (SUN), (TSO), (VLO), (YHOO, (UFS); Finerman's Firm Is Short (SPG), (COF); Najarian Owns (AAPL), (AMR), (BIIB), (CSCO), (MSFT), (TSO), (XLF), (YHOO); Najarian Owns (LEH) Puts; Najarian Owns (WLT) Calls; Najarian Owns A Call Spread In (IBM); Najarian Owns A Call Spread In (INTC); Charles Schwab Is A Sponsor Of "Fast Money"