Using Internet Search Trends and Historical Trading Data for Predicting Stock Markets by the Least Squares Support Vector Regression Model

Table 6

Selected keywords obtained from tweets by using CFS.

Stock markets/corporations	Keywords
DJIA	dow jones industrial average futures, dowjones industrial average, jones industrial average, dow stocks
RUT	russell 2000, short interest, index trading, small caps, small stocks, trump administration
S&P 500	bull market, index fund, dow jones industrial average, technical outlook, record highs, bank of america, market correction, index funds, new post, warren buffett
VIX	volatility index, market volatility, brexit volatility, united states, volatility etfs
IXIC	record close, dow jones industrial average, record highs, all-time high, new record, composite stock index
APPL	apple inc., apple stock, apple watch series, apple earnings, apple app store, iphone 6s, apple support, touch bar, apple tax, aapl chart, apple history
GOOGL	googl earnings, google inc., google pixel, amazon, apple, alphabet earnings, business google, googl search, alphabet googl, google news, google search
MSFT	microsoft, microsoft office, new windows, microsoft teams, microsoft store, tech stocks, msft azure, bill gates, nokia, surface book, windows store, microsoft twitter, last earnings, surface phone, business microsoft