ABB Deutsche Bank upgraded its recommendation on Swiss-Swedish engineering group ABB Ltd. to ` Buy ' from ` Hold ' .
The sentence indicates a change in the recommendation from 'Hold' to 'Buy' for ABB Ltd. by Deutsche Bank. This change is typically viewed as a positive development for the company as it implies improved future performance or value.
Analyze the sentence and determine if the sentiment of the sentence is neutral, positive or negative.

ABB Deutsche Bank upgraded its recommendation on Swiss-Swedish engineering group ABB Ltd. to ` Buy ' from ` Hold ' .
user
The sentence indicates a change in the recommendation from 'Hold' to 'Buy' for ABB Ltd. by Deutsche Bank. This change is typically viewed as a positive development for the company as it implies improved future performance or value. Therefore, the sentiment of the sentence is positive.
assistant