Note 6: Investments

We have current and long-term investments intended to enhance returns on our cash as well as to fund future obligations of our non-qualified defined benefit retirement plan, our executive deferred compensation plan, and our performance compensation retirement plan. We also hold other investments consisting of cost-basis preferred shares of two privately-held companies. Our short-term investments are included in other current assets and our long-term investments are included in other long-term assets on our consolidated balance sheet.

The following summarizes our investments at October 27, 2018, and April 28, 2018:


(Unaudited, amounts in thousands)	10/27/18		4/28/18
Short-term investments:
Marketable securities	$	13,052	$	12,926
Held-to-maturity investments		3,218		3,340
Total short-term investments		16,270		16,266

Long-term investments:
Marketable securities		27,061		32,134
Cost basis investments		10,954		10,954
Total long-term investments		38,015		43,088

Total investments	$	54,285	$	59,354

Investments to enhance returns on cash	$	29,795	$	34,359
Investments to fund compensation/retirement plans	$	13,536	$	14,041
Other investments	$	10,954	$	10,954

The following is a summary of the unrealized gains, unrealized losses, and fair value by investment type at October 27, 2018, and April 28, 2018:


At October 27, 2018
	Gross		Gross
(Unaudited, amounts in thousands)	Unrealized Gains		Unrealized Losses		Fair Value
Equity securities	$	1,889	$	(99)	$	18,525
Fixed income		27		(333)		31,339
Other		221		(11)		4,421
Total securities	$	2,137	$	(443)	$	54,285


At April 28, 2018
	Gross		Gross
(Unaudited, amounts in thousands)	Unrealized Gains		Unrealized Losses		Fair Value
Equity securities	$	2,142	$	(39)	$	18,765
Fixed income		29		(418)		36,312
Other		72		—		4,277
Total securities	$	2,243	$	(457)	$	59,354

The following table summarizes sales of marketable securities:


	Quarter Ended				Six Months Ended
(Unaudited, amounts in thousands)	10/27/18		10/28/17		10/27/18		10/28/17
Proceeds from sales	$	2,992	$	5,672	$	7,754	$	11,529
Gross realized gains		10		16		85		418
Gross realized losses		(11)		(7)		(66)		(228)

At October 27, 2018, the fair value of fixed income marketable securities, which are classified as available-for-sale securities, by contractual maturity was $13.0 million within one year, $16.3 million within two to five years, $1.2 million within six to ten years, and $0.8 million thereafter.