Supply chain checks show increased production capacity, better component availability and cheaper component pricing for Apple, according to Sterne Agee analyst Shaw Wu. Cheaper parts in particular are forecast to help Apple in its third-quarter results, which will be announced on Tuesday. Wu is calling for $24.6 billion in revenue with $5.98 in EPS, based off a 39.8 percent gross margin, as compared with a consensus of $24.7 billion and $5.73 in EPS stemming from a 39 percent margin. Apple itself has only been guiding to $23 billion, $5.03 in EPS and a 38 percent m