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. 2012 Jul 19;7(7):e40014. doi: 10.1371/journal.pone.0040014

Table 8. Average cross-correlation functions between search-engine volumes and signed price returns for the clean NASDAQ-100 stocks (query: Ticker, Inline graphic).

Volume Price returns Avg correlation
searches P + 0.2650
searches P −0.2360
searches P A 0.2728
users P + 0.2722
users P −0.1975
users P A 0.2446