There are several instances when a positive catalyst for one security can be a negative catalyst for another type of security. This can happen for many reasons, such as macroeconomic factors, competition, or intra market mechanics. Here are a few examples of inverse trade pairings.
Competition
Go Long: $ $Advanced Micro Devices (AMD.US)$
Go Short: $ $Intel (INTC.US)$
These two are in the semiconductor space. This sector is in full rally mode, so going short on either of t...