There are no shares of a stock that might someday come back, just piles of options as worthless as those shares of Cook's American Business Alliance.
( There ( ( are ( ( no shares ) ( of ( ( ( ( ( a stock ) ( that ( ( might someday ) ( come back ) ) ) ) , ) just ) ( piles ( of ( options ( as ( ( ( worthless ( as those ) ) shares ) ( of ( ( Cook 's ) ( American ( Business Alliance ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (DT no) (NNS shares)) (PP (IN of) (NP (NP (NP (DT a) (NN stock)) (SBAR (WHNP (WDT that)) (S (VP (MD might) (ADVP (RB someday)) (VP (VB come) (ADVP (RB back))))))) (, ,) (RB just) (NP (NP (NNS piles)) (PP (IN of) (NP (NP (NNS options)) (PP (IN as) (NP (NP (ADJP (JJ worthless) (PP (IN as) (NP (DT those)))) (NNS shares)) (PP (IN of) (NP (NP (NNP Cook) (POS 's)) (NNP American) (NNP Business) (NNP Alliance)))))))))))) (. .)))
 Cook's American Business Alliance caused shares of stock to come back.
( ( ( Cook 's ) ( American ( Business Alliance ) ) ) ( ( ( caused ( shares ( of stock ) ) ) ( to ( come back ) ) ) . ) )
(ROOT (S (NP (NP (NNP Cook) (POS 's)) (NNP American) (NNP Business) (NNP Alliance)) (VP (VBD caused) (NP (NP (NNS shares)) (PP (IN of) (NP (NN stock)))) (S (VP (TO to) (VP (VB come) (ADVP (RB back)))))) (. .)))