A photocell is any of a wide range of sensors that react based on the presence of light or electromagnetic energy. They can be found in many different forms, from solar panels that use light to generate electricity, to photoresistors, which shift in resistance based on how much light is present.
Bond prices and yields are like a seesaw: when bond yields go up, prices go down, and when bond yields go down, prices go up. In other words, a move in the 10-year Treasury yield from 2.2% to 2.6% indicates negative market conditions, while a move from 2.6% to 2.2% indicates positive market performance.
The higher yields on longer term maturity securities also means that the short term rates are likely to increase in the future as the growth in the economy would lead to higher inflation rates. Other Shapes of the Yield Curve. 1  Inverted Yield Curve: This occurs when short term rates are greater than the long term rates.