Investor sentiment Efficient market hypothesis Natural language Emojis Social media Experimental finance Behavioral finance. JEL: C99 G11 G14 G41 Investor sentiment Efficient market hypothesis Natural language Emojis Social media Experimental finance Behavioral finance. JEL: C99 G11 G14 G41 Inflation targeting Manufacturing firm performance Developing countries Entropy balancing Monetary policy credibility JEL Classification : E22 E23 E31 E51 D22 D24 Inflation targeting Manufacturing firm performance Developing countries Entropy balancing Monetary policy credibility JEL Classification : E22