The PHLX Semiconductor Sector ( SOX ) is a Philadelphia Stock Exchange capitalization-weighted index composed of the 30 largest companies primarily involved in the design , distribution , manufacture , and sale of semiconductors .
DET PROPN PROPN PROPN ( PROPN ) AUX DET PROPN PROPN PROPN ADJ NOUN VERB ADP DET NUM ADJ NOUN ADV VERB ADP DET NOUN , NOUN , NOUN , CCONJ NOUN ADP NOUN .