Bullish

adj. resembling a bull, obstinate, stubborn; tending to cause a rise in prices (of the stock exchange)

In investing, financial markets are commonly believed to have market trends that can be classified as primary trends, secondary trends (short-term), and secular trends (long-term). This belief is generally consistent with the practice of technical analysis and broadly inconsistent with the standard academic view of financial markets, the efficient market hypothesis.
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Adjective
1. expecting a rise in prices
(similar) optimistic
(classification) stock exchange, stock market, securities market

(a.)
Partaking of the nature of a bull, or a blunder.
  

Words used to describe investor attitudes. Bullish refers to an optimistic outlook while bearish means a pessimistic outlook.