Final answer:
A bearish engulfing bar is a candlestick pattern that indicates a potential change in the market direction from bullish to bearish.
Step-by-step explanation:
The correct answer is C) Bearish engulfing bar.
A bearish engulfing bar is a candlestick pattern that occurs when a small bullish candle is followed by a larger bearish candle that completely engulfs the previous candle. This pattern is often seen as a reversal signal, indicating a potential change in the market direction from bullish to bearish.
For example, if a stock has been in an uptrend and a bearish engulfing bar forms, it suggests that selling pressure has entered the market and the stock may start to decline.