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1.  Mood and the Market: Can Press Reports of Investors' Mood Predict Stock Prices? 
PLoS ONE  2013;8(8):e72031.
We examined whether press reports on the collective mood of investors can predict changes in stock prices. We collected data on the use of emotion words in newspaper reports on traders' affect, coded these emotion words according to their location on an affective circumplex in terms of pleasantness and activation level, and created indices of collective mood for each trading day. Then, by using time series analyses, we examined whether these mood indices, depicting investors' emotion on a given trading day, could predict the next day's opening price of the stock market. The strongest findings showed that activated pleasant mood predicted increases in NASDAQ prices, while activated unpleasant mood predicted decreases in NASDAQ prices. We conclude that both valence and activation levels of collective mood are important in predicting trend continuation in stock prices.
doi:10.1371/journal.pone.0072031
PMCID: PMC3756040  PMID: 24015202
2.  Molecular Characterization and Phylogenetic Analysis of Hoplolaimus stephanus 
Journal of Nematology  2011;43(1):25-34.
Three Hoplolaimus stephanus populations were characterized morphologically, both by morphometrics and by SEM observations. These populations were used to develop a rapid and accurate molecular identification method for the species, which is useful because of the high level of morphological similarity between H. stephanus and H. galeatus. Species-specific primers for H. stephanus, amplifying a distinct fragment (260 bp) of the nuclear ribosomal internal transcribed spacer1 (ITS1), can be used in multiplex PCR along with previously developed primers for other common Hoplolaimus species. We also infer phylogenetic relationships among H. stephanus, the closely-related H. galeatus, and several other Hoplolaimus species, using sequences of the actin gene, ITS1 and LSUD.
PMCID: PMC3380482  PMID: 22791912
actin; DNA taxonomy; Hoplolaimidae; Hoplolaimus stephanus, lance nematodes; plant-parasitic nematodes

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