How to Use "spiked" with Example Sentences

1. The name 's popularity spiked when she arrived on the national political scene .
2. Prices occasionally spiked , especially for food items , but were swiftly subdued .
3. The last time beijing resorted to price controls was when inflation spiked in 2008 .
4. But high-yield fund flows have spiked , which bankers say directly helps deal activity .
5. On the power plant 's grounds , radiation readings spiked to levels that hampered the recovery efforts .