(FORTUNE Magazine) – --Hat size: A stock selling in the single digits, say, between $5 and $8--roughly the sizes in which hats are measured. As in: "This company is headed to hat size."

--ELVIS: Equity linked venture investment securities. Wall Street's version of ELVIS was designed by BT Alex. Brown. It's a loan or a bond offered to a company to tide it over before it goes public.

--The ducks are quacking: Wall Street lingo for "Everyone got paid" (so everyone's happy).