Below is an instruction that describes a task. Write a response that appropriately completes the request in French. Please answer in French.

### Instruction:
 Gwen received a $900 bonus at work and decided to invest this money in the stock market. She spent one-third of her bonus on stock A, one-third on stock B, and the remaining one-third on stock C. After one year, stock A and stock B had doubled in value, while stock C had lost half of its value. At the end of the year, how much were Gwen's stocks worth, in dollars?


### Response:
 Gwen a reçu une prime de 900 $ au travail et a décidé d'investir cet argent dans le marché boursier. Elle a dépensé un tiers de sa prime pour l'action A, un tiers pour l'action B et le tiers restant pour l'action C. Après un an, l'action A et l'action B avaient doublé de valeur, tandis que l'action C avait perdu la moitié de sa valeur. À la fin de l'année, combien valaient les actions de Gwen, en dollars ?